protected override bool ReadFile(BinaryReader r)
{
var length = (int)r.BaseStream.Length;
if (length < 8)
{
throw new InvalidDataException("File is too short to contain even a header", null);
}
byte[] bytes = r.ReadBytes((int)length);
var head = new ArraySegment <byte>(bytes, 0, 8);
if (!Header.Read(head))
{
throw new InvalidDataException("File does not contain a valid header", null);
}
if (bytes.Length < (8 + (Header.FrameCount * 24)))
{
throw new InvalidDataException("File is too short to contain enough frame headers", null);
}
for (var i = 0; i < Header.FrameCount; ++i)
{
var seg = new ArraySegment <byte>(bytes, 8 + (i * 24), 24);
var fh = new FrameHeader();
if (fh.Read(seg))
{
FrameHeaders.Add(fh);
}
else
{
throw new InvalidDataException(String.Format("File does not contain a valid frame header #{0}", i), null);
}
}
foreach (var h in FrameHeaders)
{
if (h.Offset > length)
{
throw new InvalidDataException(String.Format("File is too short to contain a valid frame (at {0} bytes)", h.Offset), null);
}
var len = (int)(length - h.Offset);
var seg = new ArraySegment <byte>(bytes, (int)h.Offset, len);
if (!h.ProcessBytes(seg))
{
throw new InvalidDataException(String.Format("File does not contain a valid frame (at {0} bytes)", h.Offset), null);
}
}
return(true);
}
protected override bool ReadFile(BinaryReader r)
{
var length = (int)r.BaseStream.Length;
if (length < 8) {
throw new InvalidDataException("File is too short to contain even a header", null);
}
byte[] bytes = r.ReadBytes((int)length);
var head = new ArraySegment<byte>(bytes, 0, 8);
if (!Header.Read(head)) {
throw new InvalidDataException("File does not contain a valid header", null);
}
if (bytes.Length < (8 + (Header.FrameCount * 24))) {
throw new InvalidDataException("File is too short to contain enough frame headers", null);
}
for (var i = 0; i < Header.FrameCount; ++i) {
var seg = new ArraySegment<byte>(bytes, 8 + (i * 24), 24);
var fh = new FrameHeader();
if (fh.Read(seg)) {
FrameHeaders.Add(fh);
} else {
throw new InvalidDataException(String.Format("File does not contain a valid frame header #{0}", i), null);
}
}
foreach (var h in FrameHeaders) {
if (h.Offset > length) {
throw new InvalidDataException(String.Format("File is too short to contain a valid frame (at {0} bytes)", h.Offset), null);
}
var len = (int)(length - h.Offset);
var seg = new ArraySegment<byte>(bytes, (int)h.Offset, len);
if (!h.ProcessBytes(seg)) {
throw new InvalidDataException(String.Format("File does not contain a valid frame (at {0} bytes)", h.Offset), null);
}
}
return true;
}
